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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1089880
-->
<head>
<title>Test for Bug 1089880</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script>
<script type="application/javascript" src="imgutils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1089880">Mozilla Bug 1089880</a>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script type="application/javascript;version=1.8">
/** Test for Bug 1089880 **/
SimpleTest.requestFlakyTimeout("Early failure timeout");
SimpleTest.waitForExplicitFinish();
const FAILURE_TIMEOUT = 120000; // Fail early after 120 seconds (2 minutes)
const Cc = SpecialPowers.Cc;
const Ci = SpecialPowers.Ci;
const gContent = document.getElementById("content");
var gCanvas;
var gCanvasCtx;
var gImg;
var gMyDecoderObserver;
var gIsTestFinished = false;
var gFiles;
var gCurrentFileIsTransparent = false;
var gHasTransparencyWasCalled = false;
function testFiles() {
// [A, B] where 'A' is the image and 'B' is whether it's transparent.
// PNGs and GIFs may be transparent or not.
yield ["red.png", false];
yield ["transparent.png", true];
yield ["red.gif", false];
yield ["transparent.gif", true];
// GIFs with padding on the first frame are always transparent.
yield ["first-frame-padding.gif", true];
// JPEGs are never transparent.
yield ["damon.jpg", false];
// Most BMPs are not transparent. (The TestMetadata GTest, which will
// eventually replace this test totally, has coverage for the kinds that can be
// transparent.)
yield ["opaque.bmp", false];
// ICO files which contain BMPs have an additional type of transparency - the
// AND mask - that warrants separate testing. (Although, after bug 1201796,
// all ICOs are considered transparent.)
yield ["ico-bmp-opaque.ico", true];
yield ["ico-bmp-transparent.ico", true];
// SVGs are always transparent.
yield ["lime100x100.svg", true];
}
function loadNext() {
var currentFile = "";
try {
gHasTransparencyWasCalled = false;
[currentFile, gCurrentFileIsTransparent] = gFiles.next();
gImg.setAttribute("src", currentFile);
} catch (e) {
// We ran out of test files.
cleanUpAndFinish();
}
}
function onHasTransparency(aRequest) {
gHasTransparencyWasCalled = true;
}
function onDecodeComplete(aRequest) {
if (!gCurrentFileIsTransparent) {
ok(!gHasTransparencyWasCalled,
"onHasTransparency was not called for non-transparent file " + gImg.src);
} else {
ok(gHasTransparencyWasCalled,
"onHasTransparency was called for transparent file " + gImg.src);
}
loadNext();
}
function onError() {
if (gIsTestFinished) {
return;
}
ok(false, "Should successfully load " + gImg.src);
loadNext();
}
function onLoad() {
if (gIsTestFinished) {
return;
}
ok(true, "Should successfully load " + gImg.src);
// Force decoding of the image.
SimpleTest.executeSoon(function() {
gCanvasCtx.drawImage(gImg, 0, 0);
});
}
function failTest() {
ok(false, "timing out after " + FAILURE_TIMEOUT + "ms. " +
"currently displaying " + gImg.src);
cleanUpAndFinish();
}
function cleanUpAndFinish() {
if (gIsTestFinished) {
return;
}
gIsTestFinished = true;
let imgLoadingContent = SpecialPowers.wrap(gImg).QueryInterface(Ci.nsIImageLoadingContent);
imgLoadingContent.removeObserver(gMyDecoderObserver);
SimpleTest.finish();
}
function main() {
gFiles = testFiles();
gCanvas = document.createElement('canvas');
gCanvasCtx = gCanvas.getContext('2d');
gImg = new Image();
gImg.onload = onLoad;
gImg.onerror = onError;
// Create, customize & attach decoder observer.
observer = new ImageDecoderObserverStub();
observer.hasTransparency = onHasTransparency;
observer.decodeComplete = onDecodeComplete;
gMyDecoderObserver =
Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
.createScriptedObserver(SpecialPowers.wrapCallbackObject(observer));
let imgLoadingContent = SpecialPowers.wrap(gImg).QueryInterface(Ci.nsIImageLoadingContent);
imgLoadingContent.addObserver(gMyDecoderObserver);
// We want to test the cold loading behavior, so clear cache in case an
// earlier test got our image in there already.
clearAllImageCaches();
// Load the first image.
loadNext();
// In case something goes wrong, fail earlier than mochitest timeout,
// and with more information.
setTimeout(failTest, FAILURE_TIMEOUT);
}
window.onload = main;
</script>
</pre>
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